24 kV Shunt reactors

Caruna is looking for the reliable and cost efficient supplier for 24 kV three phase 50 Hz oil immersed shunt reactors. Caruna is now starting the tendering process by selecting tenderers to the negotiation round.

24 kV shunt reactors shall be connected to the three-phase distribution network and will be equipped with conservator for outdoor or indoor continuous operation and natural cooling with radiators. Connection group YN, Neutral not connected to earth. Rated power 2 MVAr or 3 MVAr. Rated voltage 24 kV. Nominal voltage 20,5 kV. Temperature range of the reactor shall be from –40 °C to +40 °C. Technical lifetime of the reactors shall be longer than 40 years. The 24 kV shunt reactors will be delivered to the Caruna's primary substation sites, as defined in coming call offs. This tender will cover totally 32 pcs of 24 kV shunt reactors: - 2 MVAr, 11 pcs, Caruna network area (excluding North Finland and city of Joensuu). - 3 MVAr, 21 pcs, Caruna network area (excluding North Finland and city of Joensuu). From above batch, Caruna commits to purchase 27 pcs (2 MVAr, 11 pcs and 3 MVAr, 16 pcs). Estimated time of delivery to the sites (27 pcs): - end of year 2023: 3 pcs - year 2024: 12 pcs - year 2025: 12 pcs More detailed description of the tender and above equipments will be shared with selected tenderers during the negotiation round.